schottky rectifier 12 amp 12ctq... 12ctq...s 12ctq...-1 www.irf.com 1 bulletin pd-20554 rev. c 07/06 major ratings and characteristics i f(av) rectangular 12 a waveform v rrm range 35 / 45 v i fsm @ tp = 5 s sine 690 a v f @ 6 apk, t j = 125c 0.53 v (per leg) t j range - 55 to 175 c characteristics 12ctq units description/ features the 12ctq center tap schottky rectifier series has been optimized for low reverse leakage at high temperature. the proprietary barrier technology allows for reliable operation up to 175 c junction temperature. typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. 175 c t j operation center tap to-220 package low forward voltage drop high purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance high frequency operation guard ring for enhanced ruggedness and long term reliability i f(av) = 12amp v r = 35/ 45v case styles 12ctq... 12ctq... s 12ctq... -1 to-220 d 2 pak anode 1 3 2 base common cathode 2 a node common cathode to-262 anode 1 3 2 base common cathode 2 a node common cathode anode 1 3 2 base common cathode 2 a node common cathode
12ctq... series 2 bulletin pd-20554 rev. c 07/06 www.irf.com v fm max. forward voltage drop 0.60 v @ 6a (per leg) * see fig. 1 (1) 0.73 v @ 12a 0.53 v @ 6a 0.64 v @ 12a i rm max. reverse leakage current 0.8 ma t j = 25 c (per leg) * see fig. 2 (1) 7.0 ma t j = 125 c v f(to) threshold voltage 0.35 v t j = t j max. r t forward slope resistance 18.23 m c t max. junction capacitance (per leg) 400 pf v r = 5v dc (test signal range 100khz to 1mhz) 25c l s typical series inductance (per leg) 8.0 nh measured lead to lead 5mm from package body dv/dt max. voltage rate of change 10000 v/ s (rated v r ) t j max. junction temperature range -55 to 175 c t stg max. storage temperature range -55 to 175 c r thjc max. thermal resistance junction 3.50 c/w dc operation * see fig. 4 to case (per leg) r thjc max. thermal resistance junction 1.75 c/w dc operation to case (per package) r thcs typical thermal resistance, case 0.50 c/w mounting surface , smooth and greased to heatsink wt approximate weight 2 (0.07) g (oz.) t mounting torque min. 6 (5) max. 12 (10) thermal-mechanical specifications kg-cm (ibf-in) t j = 25 c t j = 125 c electrical specifications (1) pulse width < 300 s, duty cycle <2% v r = rated v r absolute maximum ratings following any rated load condition and with rated v rrm applied parameters 12ctq units conditions i f(av) max. average forward (per leg) 6 a 50% duty cycle @ t c = 160c, rectangular wave form current * see fig. 5 (per device) 12 i fsm max. peak one cycle non-repetitive 690 5 s sine or 3 s rect. pulse surge current (per leg) * see fig. 7 140 10ms sine or 6ms rect. pulse e as non-repetitive avalanche energy 8 mj t j = 25 c, i as = 1.20 amps, l = 11.10 mh (per leg) i ar repetitive avalanche current 1.20 a current decaying linearly to zero in 1 sec (per leg) frequency limited by t j max. v a = 1.5 x v r typical a part number 12CTQ035 12ctq040 12ctq045 v r max. dc reverse voltage (v) v rwm max. working peak reverse voltage (v) voltage ratings 35 40 45 parameters 12ctq units conditions parameters 12ctq units conditions
12ctq... series 3 bulletin pd-20554 rev. c 07/06 www.irf.com fig. 2 - typical values of reverse current vs. reverse voltage (per leg) fig. 3 - typical junction capacitance vs. reverse voltage (per leg) fig. 4 - max. thermal impedance z thjc characteristics (per leg) fig. 1 - max. forward voltage drop characteristics (per leg) 1 10 100 0.20.40.60.8 1 1.21.41.6 instantaneous forward current - i (a) f t = 175c t = 125c t = 25c j j j fm forward voltage drop - v (v) 0.0001 0.001 0.01 0.1 1 10 100 0 5 10 15 20 25 30 35 40 45 r r t = 175c 150c 125c 100c 75c 50c 25c j reverse current - i (ma) reverse voltage - v (v) 100 1000 0 1020304050 t = 25c j r t junction capacitance - c (pf) reverse volta ge - v (v) 0.001 0.01 0.1 1 10 0.00001 0.0001 0.001 0.01 0.1 1 10 100 thjc t , rectangular pulse duration (seconds) si n g l e p u l se ( th e r m a l re si st a n c e ) 1 therma l impedanc e z (c/ w) 1 2 d = 0.75 d = 0.50 d = 0.33 d = 0.25 d = 0.20 j dm thjc c 2 t 1 t p dm 1 2 not e s: 1. duty fac tor d = t / t 2. peak t = p x z + t
12ctq... series 4 bulletin pd-20554 rev. c 07/06 www.irf.com fig. 7 - max. non-repetitive surge current (per leg) fig. 5 - max. allowable case temperature vs. average forward current (per leg) fig. 8 - unclamped inductive test circuit fig. 6 - forward power loss characteristics (per leg) (2) formula used: t c = t j - (pd + pd rev ) x r thjc ; pd = forward power loss = i f(av) x v fm @ (i f(av) / d) (see fig. 6); pd rev = inverse power loss = v r1 x i r (1 - d); i r @ v r1 = 80% rated v r 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 0246810 dc average power loss - (watts) f( a v ) rm s li m i t d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75 average forward current - i (a) 150 155 160 165 170 175 0246810 dc allowable case temperature - (c) f( a v ) se e no te ( 2) sq ua re wa ve (d = 0.50) 80% ra t ed v a p p lied r average forward current - i (a) 100 1000 10 100 1000 10000 fsm p non-repetitive surge current - i (a) square wave pulse duration - t (mic rosec ) at any rated load condition and with rated v applied follow ing surg e rrm free- w heel diode 40hfl40s 02 current monitor hig h-speed sw i tc h irfp460 l dut rg = 2 5 o h m vd = 25 volt +
12ctq... series 5 bulletin pd-20554 rev. c 07/06 www.irf.com conform to jedec outline to-220ab outline table conform to jedec outline d 2 pak (smd-220) dimensions in millimeters and (inches)
12ctq... series 6 bulletin pd-20554 rev. c 07/06 www.irf.com outline table modified jedec outline to-262 dimensions in millimeters and (inches) dimensions in millimeters and (inches) tape & reel information
12ctq... series 7 bulletin pd-20554 rev. c 07/06 www.irf.com lot code assembly rectifier international example: assembled on ww 19, 2000 in the assembly line "c" this is a 12ctq045 lot code 1789 logo line c part number date code year 0 = 2000 week 19 logo rectifier international lot code assembly example: assembled on ww 19, 2002 this is a 12ctq045-1 lot code 1789 part number year 2 = 2002 line c date code week 19 in assembly line "c" 12ctq045s this is a 12ctq045s lot code 8024 assembled on ww 02, 2003 assembly lot code logo international rectifier line c date code year 3 = 2003 week 02 part number in assembly line "c" part marking information d 2 pak to-262 to-220
12ctq... series 8 bulletin pd-20554 rev. c 07/06 www.irf.com data and specifications subject to change without notice. this product has been designed and qualified for industrial level. qualification standards can be found on ir's web site. ordering information table 12 c t q 045 s trl - device code 1 5 2 4 3 6 1 - current rating (12a) 2 - circuit configuration c = common cathode 3 - t = to-220 4 - schottky "q" series 5 - voltage ratings 6 - y s = d 2 pak y -1= to-262 7 - y none = tube (50 pieces) y trl = tape & reel (left oriented - for d 2 pak only) y trr = tape & reel (right oriented - for d 2 pak only) 8 - y none = standard production y pbf = lead-free 7 8 ir world headquarters: 233 kansas st., el segundo, california 90245, usa tel: (310) 252-7105 tac fax: (310) 252-7309 visit us at www.irf.com for sales contact information. 07/06 035 = 35v 040 = 40v 045 = 45v
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